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Calculator mode: Calculator major mode.

This is an RPN calculator featuring arbitrary-precision integer, rational, floating-point, complex, matrix, and symbolic arithmetic.

  • RPN calculation: 2 RET 3 + produces 5.
  • Algebraic style: ' 2+3 RET produces 5.

Basic operators are +, -, *, /, ^, & (reciprocal), % (modulo), n (change-sign).

Press ? repeatedly for more complete help. Press h i to read the Calc manual on-line, h s to read the summary, or h t for the tutorial.

Notations:

  • 3.14e6 3.14 * 10^6
  • _23 negative number -23 (or type `23 n')
  • 17:3 the fraction 17/3
  • 5:2:3 the fraction 5 and 2/3
  • 16#12C the integer 12C base 16 = 300 base 10
  • 8#177:100 the fraction 177:100 base 8 = 127:64 base 10
  • (2, 4) complex number 2 + 4i
  • (2; 4) polar complex number (r; theta)
  • [1, 2, 3] vector ([[1, 2], [3, 4]] is a matrix)
  • [1 .. 4) semi-open interval, 1 <= x < 4
  • 2 +/- 3 (p key) number with mean 2, standard deviation 3
  • 2 mod 3 (M key) number 2 computed modulo 3
  • <1 jan 91> Date form (enter using ' key)
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