The Radius Calc app is 83 calculators, solvers, and converters in just one app. Also, this app features an extensive help file with graphics, equations and formulas.

Radius Calculator

* Using Span and Rise calculate Central Angle, Radius, Arc Length, and Circumference in degrees, yards, feet, and inches

Angle Converters

1. Angle Calculator

2. Degrees to Radians

AND a simple expression calculator

Area Unit Converters

3. Inch & Shorter

4. Feet & Yards & Meters

Distance Unit Converters

5. Miles & Kilometers

6. Inches & Centi- & Millimeters

7. Feet & Yards & Meters

Financial Solvers

8. Bill discounting

9. Discounted cash flow (DCF)

10. Effective rate discount

11. Future Value – Investment

12. Future Value of annuity (investment) growing

13. Interest – Investment

14. Interest on consumer goods

15. Leasing interest rate

16. Leasing prepayment

17. Loan Interest

18. Loan prepayment

19. Loan prepayment with extra monthly payment

20. Monthly investments

21. Monthly leasing payments

22. Monthly payments

23. Mortgage monthly payments

24. Number of payments

25. Period – Investment

26. Present Value – Investment

27. Present Value of annuity (investment) growing

28. Price discount

29. Simple discount

Fraction Calculators

30. Fibonacci Sequence

31. Fractions (Add)

32. Fractions (Compare)

33. Fractions (Divide)

34. Fractions (Multiply)

35. Fractions (Reduce)

36. Fractions (Subtract)

37. Greatest Common Factor

38. Least Common Multiple

Geometry Calculators

39. Circle Area

40. Circle Circumference

41. Cone Surface Area

42. Cone Volume

43. Cube Surface Area

44. Cube Volume

45. Cylinder Surface Area

46. Cylinder Volume

47. Ellipse Area

48. Inscribed Angle

49. Parallelogram Area

50. Parallelogram Perimeter

51. Pyramid Square Surface Area

52. Pyramid Square Volume

53. Pyramid Triangle Surface Area

54. Pyramid Triangle Volume

55. Rectangle Area

56. Rectangle Perimeter

57. Rectangular Prism Surface Area

58. Rectangular Prism Volume

59. Regular Polygon Angle

60. Regular Polygon Area

61. Regular Polygon Perimeter

62. Sphere Surface Area

63. Sphere Volume

64. Square Area

65. Square Perimeter

66. Trapezoid Area

67. Triangle Area

Matrix Solvers

68. Matrix Determinant 2×2

69. Matrix Inverse 2×2

70. Matrix Trace 2×2

71. Matrix Determinant 3×3

72. Matrix Inverse 3×3

73. Matrix Trace 3×3

74. Matrix Determinant 4×4

75. Matrix Inverse 4×4

76. Matrix Trace 4×4

Statistics Calculators

77. Combinations

78. Factorial

79. Random Number (Continuous)

80. Random Number (Discrete)

Weather Converter

81. Temperature Converter

New Calculators!

82. Simple expression calculator

83. Radius Calculator

This app features:

• Send your calculations or conversions by email

• Universal App (iPhone, iPod Touch, and iPad)

• iOS 5 & 6 are supported

• iPhone 5’s 4 inch screen and the original 3.5 inch screen are supported

• Retina Display graphics

• Fast app switching

• Automatically Saves Your Inputs

No network connectivity required.

This app is available for a discount to Apple-approved Education institutions through the Apple’s Volume Purchase Program.