EC-4026 (650-0993) Specifications Faxback Doc. # 8539 Calculations Basic Calculation Functions......................Negative numbers exponents parenthetical additional/subtraction/multiplication/ division (with prioritysequence judgement function-true algebraic logic) Built-in Function.......................Trigonometric/inverse trigonometric functions (units or angular measurement: degrees, radians, grads), hyperbolic/inverse hyperbolic functions, logarithmic/exponential functions, reciprocals, factorials, square roots, cube roots, powers, roots, square, decimal-sexagesimal conversions, binary-octal-hexadecimal conversions/calculations, coordinate transformations, permutations/combinations, pie ,random numbers, absolute values, integers, fractions Statistical Calculation Functions........................Standard deviation -number of data, sum of squares of x, sum of squares of y, mean of x, mean of y, standard deviation of x (two types), standard deviation of y (two types), constant term, regression coefficient, correlation coefficient, estimated value of x, estimated value of y Integration Calculation................................Using Simpson's rule Memories..........................................26 standard (163 maximum) Calculation Range..........................+/-1x10-99~ +/-9.999999999x10 99 and 0. Internal operation uses 12-digit mantissa Rounding........................Performed according to the specified number of significant digits or the number of specified decimal places Exponential Display Norm 1-10-2 > |x|,|x|greater than or equal to 10 10 Norm 2-10-9 > |x|,|x|greater than or equal to 10 10 Programs Number of Steps.............................................1,103 maximum Jump Function..............................Unconditional jump (Goto, Lbl) Subroutines Prog................................................10 routines Number of Stored Programs.....................As many files as total memory capacity allows Check Function.......................Program checking, debugging, deletion, addition, etc. Common Section Display System and Contents.........................Liquid crystal display, dot 12 digits, 10-digit mantissa and 2-digit exponent, binary, octal, hexadecimal display, sexagesimal display, conditional display (WRT, file,edit, Disp, LR, SD, D, R, G, S, F, M, A, Hyp, d, H, b, o, Fix, Sci, Eng,<-, ->) Character Display Function...............................Function commands, program commands, alphabet characters (12 maximum) Error Check Function...................Checks for values exceeding 10 (100) illogical jumps, error messages displayed Power Supply.........................1 lithium battery for normal operation (CR2025)battery Auto Power Off..........................Power is automatically switched off approximately 6 minutes after last operation Ambient Temperature Range.................................0C-40C (32F-104F) Dimensions........................................3/8" x27/8" x59/16" (HWD) 9.2mm x73mm x141mm Weight....................................90 g (3.2 oz) including batteries Patent Numbers 4,398,263 4,410,956 (RLR-10/28/93)