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

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