Angles in degrees instead of radians:useeither sind(90) or sin(90deg). Clear:use theEnter key to quickly erase the whole input line. Multiplication: you mayomitthe multiplication operator when unambiguous, e.g.3π+2(1+2)Expression continuation: starting a new expression with anoperatorauto-inserts ans, the result of the last expression. rnd(max): random value from [0, max).gamma(x): (x-1)!mod(x,y): modulo Complex numbers i or j is thecomplex base.Example: i*i (1+i)^2 e^(i*pi) Operators + - × ÷ basicarithmetic ^power % percent ! factorial # modulo √ square root 'firstderivative Tips Parentheses: you may omit the leading orfinalparentheses, e.g. Predefined functionsLogarithmsand power sqrt(x): square root x^0.5 cbrt(x): cube root x^(1/3)exp(x): exponential e^x log(x), ln(x): natural logarithmlog2(x),lb(x): binary logarithm log10(x), lg(x): decimallogarithmlog(base,x): arbitrary base logarithm Trigonometric -radianssin(x), cos(x), tan(x) asin(x), acos(x), atan(x)Trigonometric -degrees sind(x), cosd(x), tand(x) asind(x),acosd(x), atand(x)Hyperbolic sinh(x), cosh(x), tanh(x) asinh(x),acosh(x), atanh(x)Other gcd(x,y): greatest common divisorcomb(n,k): combinationsperm(n,k): permutations min(x,y), max(x,y)floor(x), ceil(x)abs(x): absolute value sign(x): signum rnd():random value from[0,1). Ittogglesopened/closed the letter keypad. Special mod for KI-14-1 :) Enjoy! Sampleexpressionssimple expression: 1+2 variable evaluation: pi functionevaluation:sin(0) variable definition: a=3.5 function definition:f(x)=x^2-1parentheses: (1-x)^2 To enter an expression cointainingletters,such as sin(x), use the ⇳ key on the basic keypad. Arity Calculator was written by Mihai Preda, and is open source.Ituses the "Arity" arithmetic library.
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