- Cls = Clear screen
- sqrt = Square root
- root = root
- nlog = Natural logarithm
- clog = Common logarithm
- tan = Tangent
- atan = Arc tangent
- x^2 = Square
- x^y = Power
- e^x = Natural antilogarithm
- 10^x = Common antilogarithm
- cos = Cosine
- acos = Arc cosine
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- +/- = Change sign
- 1/x = Divided by
- x! = Factorial
- PI = PI
- asin = Arc sine
- sin = Sine
- ppm = Part per million
- MS = Memory store
- % = Percent
- MR = Memory recall
- E = Exponent
- Rad = Radians
- Deg = Degrees
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