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60 Projects tagged with "calculator"

 
1.4k
24
31
My not so fancy example of Magnetic Core Memory using fairly cheap cores and free parts from my junk box.
Project Owner Contributor

Magnetic Core Memory The Dr Cockroach Way

Dr. CockroachDr. Cockroach

467
0
0
Arduino based 4 button calculator for kids
Project Owner Contributor

"My First Calculator"

peter.bealpeter.beal

1.4k
118
9
49-key mini keypad
Project Owner Contributor

Keypad

alan_r_camalan_r_cam

5.3k
142
28
Control DMX equipment, such as lights, from a TI-84
Project Owner Contributor

DMX-84: Calculator-Controlled Lights

Alex CordonnierAlex Cordonnier

1.1k
34
9
What happens when you combine crappy multimeter and poor programable calculator?
Project Owner Contributor

Progmeter

jaromir.sukubajaromir.sukuba

3k
17
14
An RPN based scientific calculator with four line display based on the MSP430 microcontroller.
Project Owner Contributor

RPN Scientific Calculator

Joey ShepardJoey Shepard

1.1k
16
10
An RPN scientific calculator with keystroke programming based on the LPC1114 microcontroller.
Project Owner Contributor

Programmable RPN Calculator

Joey ShepardJoey Shepard

2.2k
21
13
A graphing calculator based on a modern 65C02 microprocessor.
Project Owner Contributor

6502 Graphing Calculator

Joey ShepardJoey Shepard

8.1k
94
79
NP-41 is a hardware realization of the Nonpariel calculator simulator. It executes the original HP-41C / CV byte-codes.
Project Owner Contributor

NP-41 RPN Calculator

Chris ChungChris Chung

2.8k
26
17
Homebrew scientific/graphing calculator
Project Owner Contributor

ArithMax

Wenting ZhangWenting Zhang

7.5k
64
57
Nonpariel Physical (NP) is a standalone calculator microcode emulator. NP-25 executes microcodes for HP-21, HP-25C and HP-33C.
Project Owner Contributor

NP25 Calculator

Chris ChungChris Chung

1.1k
9
8
Stretching the limits of Arduino with an Arduino Duemilanove Graphing Calculator.
Project Owner Contributor

BluCalc

Dylan TurnerDylan Turner

8.9k
47
44
Volt- and ohmmeter plus calculator on 25x25mm PCB
Project Owner Contributor

Micro progmeter

jaromir.sukubajaromir.sukuba

915
10
9
A Calculator with 15 Digit Seven Segment LED. It used two 3x4 Switches and worked with Atmel 1284p. Based on Arduino.
Project Owner Contributor

snc98 .. Slash Number Calculator

JensGrabnerJensGrabner

7.2k
74
62
Scientific calculator with a brain built out of relays.
Project Owner Contributor

RISC Relay CPU

roelhroelh

14.8k
40
35
A programmable RPN calculator using way too many Nixie tubes
Project Owner Contributor

RPN Nixie Calculator

robert.c.baruchrobert.c.baruch

949
6
4
fully functional scientific calculator using evive
Project Owner Contributor

Scientific Calculator using evive

evive toolkitevive toolkit

1
0
A desktop calculator with throwback interfaces and a great feel
Project Owner Contributor

Calcumaker

Yann RaminYann Ramin

2.3k
27
34
Handmade retro taking calculator with QDSP6064 bubble display
Project Owner Contributor

Retro taking calculator with Bubble display

bobriciusbobricius

24.2k
43
24
This project aims to unlock the hidden options of the Casio fx-82ES, such as Complex numbers, Matrix and Vector operations and other.
Project Owner Contributor

Calculator Hack

Aguilera DarioAguilera Dario

3.4k
14
14
I Ching Calculator for the Sci-fi contest.
Project Owner Contributor

Dirk Gently's I Ching Calculator

haydn joneshaydn jones

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