Tuesday, February 7, 2017
180 in 1 Math Calculator 2 1
180 in 1 Math Calculator 2 1
180-in-1 Math Calculator [2.1]
180-in-1 Math Calculator
Version:2.1
Cate: Education
Price: $1.99
Size: 2.2 MB
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Description:
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Free Apk Files 180-in-1 Math Calculator [2.1]:
- 180 solvers covering algebra, geometry, statistics,
- Add a solver favorites one tap
- Go viewed viewed solvers
Algebra (19):
1. Arithmetic Series (Sum)
2. Complex Numbers (Add)
3. Complex Numbers (Divide)
4. Complex Numbers (Exp )
5. Complex Numbers (Multiply)
6. Complex Numbers (Rect )
7. Complex Numbers (Subtract)
8. Compound Interest
9. Discriminant
10. Distance-Rate-Time
11. Geometric Series (Finite Sum)
12. Geometric Series (Infinite Sum)
13. Linear Equation (ax+b=cx+d)
14. Linear Inequality
15. Linear System (2x2)
16. Linear System (3x3)
17. Polynomial Series (Sum)
18. Quadratic Formula
19. Simple Interest
Analytic Geometry (11):
20. Distance Formula
21. Distance From Point
22. Intersection Equations
23. Linear Equation (Parallel)
24. Linear Equation (Perpendicular)
25. Linear Equation (Point+Slope)
26. Linear Equation (Two Points)
27. Midpoint Formula
28. Polar
29. Rectangular
30. Slope Formula
Basic Math (13):
31. Decimal
32. Factors
33. Fibonacci Sequence
34. Fractions (Add)
35. Fractions (Compare)
36. Fractions (Divide)
37. Fractions (Multiply)
38. Fractions (Reduce)
39. Fractions (Subtract)
40. Greatest Common Factor
41. Least Common Multiple
42. Prime Factorization
43. Reduce Radical
Geometry (33):
44. Circle Area
45. Circle Circumference
46. Cone Surface Area
47. Cone Volume
48. Cube Surface Area
49. Cube Volume
50. Cylinder Surface Area
51. Cylinder Volume
52. Ellipse Area
53. Herons Theorem (sides)
54. Herons Theorem (vertices)
55. Inscribed Angle
56. Parallelogram Area
57. Parallelogram Perimeter
58. Pyramid Square Surface Area
59. Pyramid Square Volume
60. Pyramid Triangle Surface Area
61. Pyramid Triangle Volume
62. Pythagorean Theorem
63. Pythagorean Triples
64. Rectangle Area
65. Rectangle Perimeter
66. Rectangular Prism Surface Area
67. Rectangular Prism Volume
68. Regular Polygon Angle
69. Regular Polygon Area
70. Regular Polygon Perimeter
71. Sphere Surface Area
72. Sphere Volume
73. Square Area
74. Square Perimeter
75. Trapezoid Area
76. Triangle Area
Matrices (9):
77. Matrix Determinant (2x2)
78. Matrix Determinant (3x3)
79. Matrix Determinant (4x4)
80. Matrix Inverse (2x2)
81. Matrix Inverse (3x3)
82. Matrix Inverse (4x4)
83. Matrix Trace (2x2)
84. Matrix Trace (3x3)
85. Matrix Trace (4x4)
Probability Distributions (78):
86-90. Binomial Density, Distribution, Inverse, Moments, Random
91-94. Cauchy Density, Distribution, Inverse, Random
95-99. Chi-Squared Density, Distribution, Inverse, Moments, Random
100-104. Exponential Density, Distribution, Inverse, Moments, Random
105-109. Fisher Density, Distribution, Inverse, Moments, Random
110-114. Geometric Density, Distribution, Inverse, Moments, Random
115-119. Gumbel Density, Distribution, Inverse, Moments, Random
120-124. Hypergeometric Density, Distribution, Inverse, Moments, Random
125-129. Lognormal Density, Distribution, Inverse, Moments, Random
130-134. Negative Binomial Density, Distribution, Inverse, Moments, Random
135-139. Normal Density, Distribution, Inverse, Moments, Random
140-144. Pare, Distribution, Inverse, Moments, Random
145-149. Poisson Density, Distribution, Inverse, Moments, Random
150-154. Student-t Density, Distribution, Inverse, Moments, Random
155-158. Uniform Density, Distribution, Inverse, Moments
159-163. Weibull Density, Distribution, Inverse, Moments, Random
Statistics (11):
164. Average (Arithmetic Mean)
165. Average (Geometric Mean)
166. Combinations
167. Factorial
168. Median
169. Mode
170. Permutations
171. Random Number (Continuous)
172. Random Number (Discrete)
173. Standard Deviation
174. Variance
Trigonometry (6):
175. Degrees
176. Law
177. Law
178. Radians
179. Trig Inverse Functions
180. Trigonometric Functions
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Available link for download
Saturday, January 28, 2017
6 Ways Math Helped Me Gain More Home Space
6 Ways Math Helped Me Gain More Home Space
I started writing this blog because I wanted to share my outlook on math as a friendly, exciting and very applicable part of our daily lives and a cool tool to be equipped with. I continue writing because with your help I am constantly discovering the surprising guidance math could provide in situations one has never imagined possible.
A few months ago, I wrote a post on how math could help us get more out of the home space we have. Now, looking around my home, I suddenly realize that without conscious intention, I put many of my advices to work. Observing the results, I believe that we now use our not-so-large home more effectively and enjoy it more than before. Here are the 6 simple things that I tackled:
1)Shoe Closet
My husband has size 14 shoes. They are almost 12" or 30cm in length each. It took me years to realize that he needs much more shoe closet space than I or any of the kids. But even when we divide it 1-to-3, with him taking a whole half of the closet and me sharing the other half with the kids, his shoes outflow his space. I do have hard time believing him that he does need separate sneakers for running, basketball, squash and hiking. But it is too late - all this (and much more) is already in the closet. One simple approach would be to divide the closet floor proportionally to the shoe sole area. But a truly ingenious geometrical solution is to consider the other dimensions. On this Ikea rack, small or large size shoes take the same space when arranged vertically.
2)Living Room
Writing about the statistics of our use of each of the rooms, I created a home usability spreadsheet that can be downloaded here. Studying it, made me realize that our living room was vastly underused. We were barely spending 6 hours per week in it, that is 2.5% of our total home-spent awake time. Why didnt we use the new reading couches and bookshelves we recently purchased? Mainly because the light in the room was never strong enough for the evening reading. Last month we installed four cute little spotlights that are strong enough for late night winter reading or a family game. We put a few games, books and magazines on the table and encourage kids to cuddle with a soft warm blanket on the sofas to read, chat or play.
3)Kitchen
A discussion with my friend who recently moved into a new home and from all the rooms that needed renovation, decided to concentrate time and money first of all on the kitchen because "we all spend so much time there" made me review my familys room usability chart. Indeed, after the office (I work from home), our open kitchen-dining-homework area is the busiest in the house and perhaps it is about time we invest to redo the antiquated 70th style kitchen to something more fitting our taste.
Feel free to upload and modify this room usability spreadsheet to investigate what is being under and over used in your home.
4)Towel closet
Learning from a flight attendants suitcase packing tips, I started rolling my towels instead of folding and immediately gained extra space in our closet. Plus, kids find it much more fun to help me now. However, their favorite rolling place is the floor.
5)Bathroom
Ever since we moved to the East Coast from LA, we were wondering why toilets and vanities seem to be much lower here. The standard 30" height of the bathroom cabinets apparently came from the old days when water bowls were just put atop a dresser. Such a low height may work well for kids of certain age and height, but little kids still need a stool and teenagers are the height of their parents. Therefore, unless you are running a home-school, you can be much more comfortable with a higher vanity that does not require so much bending. Especially, if you have a bad back. To test this, we tried hand washing and teeth brushing in a kitchen sink, as kitchen counter height is usually 36". We liked it and when redoing our bathroom after an occidental flooding, we knew that we wanted to fit our home to our "tall" needs.
6)Mirrors
When turning our utilities room into my husbands office and contemplating the style of the bi-fold doors that should cover the washing and drying machines, I recollected my own advice: "Mirrors make room appear larger and brighter by reflecting the light instead of absorbing it as walls do." Now, we cant believe that we got so much visible space out of the junkyard of utilities and storage.
Please feel free to post in the comments your own advices and stories on creating more space or making home more efficient with the use of trivial and not so trivial mathematical thinking. You can also share your own Home Usability Chart with your kids discussing how to make heavily used rooms more fun and underused rooms more practical.
Available link for download