On Screen Programs Info What do they make? ON SCREEN PROGRAMS

 On Screen programs are 64 easy programs to the newbe, beginner or intermediate user learn how to begin make programs using the HP48/49  keyboard. Advanced user can find in Exercises a source of aid for HP48/49 commands syntax.

On Screen Programs - Contents

 Program Related commands Whed do they make? E01 CLEAR;INPUT OBJ® Sum two numbers E02 INPUT OBJ® EVAL Area of a triangle E03 DEG; D®R Converts degree to radians E04 FACTORIAL( ! ) Factorial of a number E05 SINH Calculate hyperbolic Sine E06 MEM; ®TAG Verify free memory E07 CLLCD;DISP; WAIT VARS;SORT; ORDER; SWAP;DROP Sort VARS in Menu E08 ®V3 Convert three numbers to a vector E09 ®Q Convert decimal to fraction E10 ®TAG; Convert Celsius to Fahrenheit E11 Store an expression in a new var and calculate using the new var Find the roots of a 2nd degree equation using Baskara formula E12 ®ARRY; DET Calculate determinant of a 3X3 matrix E13 ®V3 ;®TAG; DUP ;ABS calculate vector and vector norma E14 IP;FP;®NUM return parts of a number; integer and fraction parts E15 SWAP Example of how to use SWAP E16 DROP Example of how to use DROP E17 DUP Example of how to use DUP E18 ROT Example of how to use ROT E19 'algebraic' Example of how to use algebraic expression E20 RPN Example of how to use  RPN expression E21 DISP; 0 WAIT; DROP Area of circle E22 {a} Input a sting E23 INPUT OBJ® Using INPUT OBJ 2 times E24 { ":Vo: :a: :t:" {1 0 } } INPUT OBJ® in  rows E25 ®NUM; ®STR;  + Use of  units E26 "string"; + Strings and numbers E27 ®STR;+; 1 DISP .01 WAIT Show results in graph mode E28 IF THEN ELSE; = = Select option E29 MSGBOX Using MSGBOX E30 BEEP Beep when solve E31 IF THEN ELSE;{a} The most easy password E32 DO UNTIL END Continuous program E33 RAND Generate a random number E34 IF THEN ELSE END and inequalities show a result acording to IF THE ELSE clause E35 IF THEN ELSE END and inequalities show a result acording to IF THE ELSE clause E36 CASE THEN END show a result acording to CASE THEN END clause E37 FOR NEXT START; + Sum of a numerical interval E38 S Sum of a numerical interval E39 0 FOR STEP;®TAG Sum of a numerical interval E40 0 FOR STEP Sum of a numerical interval E41 IFERR THEN ELSE END Test IERR clause E42 IFERR THEN ERRM END Show error message E43 DOERR ;IF THEN ELSE Execute DOERR command E44 DOERR Execute DOERR command E45 CASE THEN END show a result acording to CASE THEN END clause E46 DISP;WAIT Show mesage during 3 seconds E47 ERASE; { # 0d # 0d }; PVIEW PICT GROB GOR GRAPHIC E48 ERASE; { # 0d # 0d }; PVIEW PICT GROB GOR Join string and numbers E49 ERASE; { # 0d # 0d }; PVIEW PICT GROB GOR Join string and numbers (II) E50 BEEP Sound E51 FOR  STEP;BEEP Sound E52 BEEP Sound (large) E53 PICT STO PICTURE view pture E54 ANIMATE Animation E55 to E59 GROB Grobs used in E60 and others E60 ANIMATE Caterpillar walking E61 INFORM Solve a matrix using INFORM E62 INFORM Solve equation v=vo+at using INFORM E63 INFORM Solve equation  using INFORM E64 CHOOSE Menu using CHOOSE