Formula

class Formula(**options)

• Attributes(Optional)
  • skipError
  • useEval
  • showEquation
• Class(Formulas)
  • class PythagorasTheorem
    • def getA
    • def getB
    • def getC
  • class LensFormula
    • def getU
    • def getV
    • def getF
  • class LinearMagnificationFormula
    • class getM
      • def byHeight
      • def byDistance
    • def getO
    • def getI
    • def getV
    • def getU

How to use?

from whiteCalculator import Formula
Formula.{Formula}.{function}(args)

Example

>>> from whiteCalculator import Formula
>>> Formula.PythagorasTheorem.getC(a=3, b=4)
5

Attributes

.skipError

Decide should this calculator use Exception to traceback error. Same and see more at Calculator().skipError

.useEval

Decide should this calculator use eval (opens new window) to calculate. Same and see more at Calculator().useEval

.showEquation

Decide should this calculator print equation when calculated. Same and see more at Calculator().showEquation

Class(Formulas)

PythagorasTheorem

$$a^2 + b^2 = c^2$$

• getA (b, c)

  • Parameters
    • b (int or float or str(equation)) - length of perpendicular
    • c (int or float or str(equation)) - length of hypotenuse
  • Returns
    • length of base
  • Return Type
    • .ans or str (opens new window)(errors)

• getB (a, c)

  • Parameters
    • a (int or float or str(equation)) - length of base
    • c (int or float or str(equation)) - length of hypotenuse
  • Returns
    • length of perpendicular
  • Return Type
    • .ans or str (opens new window)(errors)

• getC (a, b)

  • Parameters
    • a (int or float or str(equation)) - length of base
    • b (int or float or str(equation)) - length of perpendicular
  • Returns
    • length of hypotenuse
  • Return Type
    • .ans or str (opens new window)(errors)

LensFormula

$$\frac{1}{u} + \frac{1}{v} = \frac{1}{f}$$

• getU (v, f)

  • Parameters
    • v (int or float or str(equation)) - images distance
    • f (int or float or str(equation)) - focus length
  • Returns
    • object distance
  • Return Type
    • .ans or str (opens new window)(errors)

• getV (u, f)

  • Parameters
    • u (int or float or str(equation)) - object distance
    • f (int or float or str(equation)) - focus length
  • Returns
    • images distance
  • Return Type
    • .ans or str (opens new window)(errors)

• getF (u, v)

  • Parameters
    • u (int or float or str(equation)) - object distance
    • v (int or float or str(equation)) - images distance
  • Returns
    • focus length
  • Return Type
    • .ans or str (opens new window)(errors)

LinearMagnificationFormula

$$m = \frac{h_{i}}{h_{o}} = \frac{v}{u}$$

• getM

  • byHeight (i, o)

    • Parameters
      • i (int or float or str(equation)) - height of images
      • o (int or float or str(equation)) - height of object
    • Returns
      • Magnification of lens
    • Return Type
      • .ans or str (opens new window)(errors)

  • byDistance (v, u)

    • Parameters
      • v (int or float or str(equation)) - images distance
      • u (int or float or str(equation)) - object distance
    • Returns
      • Magnification of lens
    • Return Type
      • .ans or str (opens new window)(errors)

• getO (m, i)

  • Parameters
    • m (int or float or str(equation)) - Magnification of lens
    • i (int or float or str(equation)) - height of images
  • Returns
    • height of object
  • Return Type
    • .ans or str (opens new window)(errors)

• getI (m, o)

  • Parameters
    • m (int or float or str(equation)) - Magnification of lens
    • o (int or float or str(equation)) - height of object
  • Returns
    • height of images
  • Return Type
    • .ans or str (opens new window)(errors)

• getV (m, u)

  • Parameters
    • m (int or float or str(equation)) - Magnification of lens
    • u (int or float or str(equation)) - object distance
  • Returns
    • images distance
  • Return Type
    • .ans or str (opens new window)(errors)

• getU (m, v)

  • Parameters
    • m (int or float or str(equation)) - Magnification of lens
    • v (int or float or str(equation)) - images distance
  • Returns
    • object distance
  • Return Type
    • .ans or str (opens new window)(errors)