Search found 12 matches

by Jvi
Thu Jul 29, 2021 7:14 pm
Forum: Software Library
Topic: Convert integer to roman numerals
Replies: 5
Views: 2821

Re: Convert integer to roman numerals

Here is my version of a program, which can convert a roman numeral to an integer. You write the roman numeral in the alpha register, and start the program. The converted number is shown in the X register. It converts all the regular roman numerals, but it will also happily convert all the 'Irregular...
by Jvi
Wed Jul 28, 2021 6:43 pm
Forum: Software Library
Topic: Convert integer to roman numerals
Replies: 5
Views: 2821

Re: Convert integer to roman numerals

Hello Nissen

Not at the moment. If i make one, I will post it on this forum
by Jvi
Wed Jul 28, 2021 2:32 pm
Forum: Software Library
Topic: Convert integer to roman numerals
Replies: 5
Views: 2821

Convert integer to roman numerals

This program converts the integer in register X to roman numerals. The roman numerals are M:1000, D:500, C:100, L:50, X:10, V:5 and I:1. You make a roman numeral by writing the letters in descending order, adding the values. If a Letter with a lower value is placed in front of a letter with a higher...
by Jvi
Thu Apr 22, 2021 9:06 am
Forum: Discuss!
Topic: How did you discover SwissMicros?
Replies: 70
Views: 54369

Re: How did you discover SwissMicros?

It is kind of a funny story. I like to go to thrift stores, and one day, i found a HP calculator i had not seen before. It was an HP42s. I tried to turn it on, but it did not work. It was probably flat batteries, I thought, for the calculator looked almost new. I decided to risc buying it, as it cos...
by Jvi
Thu Apr 22, 2021 7:38 am
Forum: Software Library
Topic: Draw lines with bitmap patterns
Replies: 0
Views: 2841

Draw lines with bitmap patterns

This program, Fline (Fatline) draw a line with the current bitmap pattern, between 2 points defined by the variables R1,C1 And R2,C2. 00 { 115-Byte Prgm } 01▸LBL "Fline" 02 "↓•••↓" 03 RCL "R1" 04 RCL "C1" 05 AGRAPH 06 RCL "R2" 07 RCL "R1" 0...
by Jvi
Sun Feb 21, 2021 1:05 pm
Forum: Usage tips, tricks and problem reports
Topic: Formatting the FAT disc?
Replies: 4
Views: 1525

Re: Formatting the FAT disc?

Tried formatting, and loading the contents into the FAT disc.
Worked like a dream. I did not even have to load the state file.
:D :D :D :D :D
by Jvi
Sun Feb 21, 2021 7:20 am
Forum: Usage tips, tricks and problem reports
Topic: Formatting the FAT disc?
Replies: 4
Views: 1525

Re: Formatting the FAT disc?

Thank you :D
by Jvi
Sat Feb 20, 2021 7:57 pm
Forum: Usage tips, tricks and problem reports
Topic: Formatting the FAT disc?
Replies: 4
Views: 1525

Formatting the FAT disc?

Hi all I was copying some Offimg images to the OFFIMG Library, when i inadvertently copied a .LNK file into the library. When i tried to erase the file, something weird happened, both the calculator and the PC locked up, and i was forced to remove the USB cable. After this, the PC and calculator wen...
by Jvi
Sun Jul 26, 2020 10:00 am
Forum: Software Library
Topic: 16 shades of gray
Replies: 2
Views: 8050

Re: 16 shades of gray

Hi Bob

Of course you can use the Gray program. It is for this very reason I post here.
If you make a nice program with it, please post it in this thread.

Cheers
Jan
by Jvi
Wed Mar 11, 2020 8:29 pm
Forum: Software Library
Topic: Decimal to fraction conversion
Replies: 3
Views: 4811

Decimal to fraction conversion

This program takes the value in X and converts it to a fraction with 12 digits accuracy. It uses the algoritm made by John Kennedy. You can find his article here: https://begriffs.com/pdf/dec2frac.pdf It is very fast, and since it only uses named variables, it will not change any registers. it will ...