Ultimate Calculator

Only available in English.

Comprehensive collection of electronics calculators, instruments and reference tables.

Ultimate Calculator Pro is a utility application consisting of 157 calculators, conversions, reference tables, pin outs; and a basic pocket calculator.

Calculators:

DC Circuits:

Ohm`s Law

Voltage divider - resistive

LED resistor

RL transient circuits

RC transient circuits

Wheatstone bridge

Battery life

AC Circuits:

Reactance

Impedance

Star Delta Transformation

AC Power

Voltage divider - capacitive

Power Supply:

Transformer ratios

Rectifiers

Capacitor filter

Transformer efficiency

Voltage regulator - LM317

Voltage regulator - Zener diode

Amplification:

Slew Rate

Gain | Ratio

Non-Inverting Amplifier

Inverting Amplifier

Differential Amplifier

Inverting Summing Amplifier

Filters:

RC filter – passive

LC filter – passive

RL filter – passive

Semiconductors:

Series Circuits

Parallel Circuits

Capacitors

Inductors

Diodes

555 Timer

Air Core Inductors

LM 3914 Display driver

LM 3915/6 Display driver

Identification:

Resistor – color codes

Inductor – color codes

Capacitor – printed

Fuse, glass – colour codes

Diodes

7-Segment display

Physics:

Coulomb`s Law

Magnetism

Joules Law – heating

Electrical energy

Geometry:

Area (rectangle, triangle, circle, trapezoid, ellipse, square, parallelogram, sector)

Surface area (cylinder, sphere, dice, cone)

Volume (rectangle, cylinder, sphere)

Radiation:

Electromagnetic wave (wavelength, frequency, period)

Propagation delay (distance vs. time)

Resonance (frequency, inductance, capacitance)

Radiated power (vs. VSWR)

Air core inductors (inductance, turns)

RF Link:

Free space path loss (loss, distance)

Link price range (RSSI, fade margin)

Fresnel zone (1st, max, 60%, Er)

RF Base Station:

Transmission line (Tx, Att, Pout)

EIRP ERP (effective radiated power)

Antenna down-tilt – angle (angle, distance)

Antenna down-tilt – protection (inner outer radius)

Radar:

Power density (W/m²)

Maximum range (distance)

Losses:

Attenuators (Pi, Tee)

VSWR (voltage standing wave ratio)

Reflection coefficient (Rho)

Return loss (dB)

Mismatch loss (dB)

Converters:

Angle

Area

Cooking

Current (RF)

Distance | Length

Energy

Field strength (RF)

Fuel consumption

Mass

Number base

Power

Power (RF)

Pressure

Si units

Sine wave

Speed

Storage

Temperature

Terminated (RF)

Time

Torque

Voltage (RF)

Volume

Reference:

SI unit prefixes

Logic gates

74xx ic

ASCII

Abbreviations

Schematic symbols

Ingress protection

Decibel suffixes

RF Spectrum

Amateur band plan – IARU region 1

Amateur Q codes

Phonetic alphabet (NATO)

IT Acronyms

Units of measure

Pin out:

Audio/video

RCA connector

Jack - TS

Jack - TRS

Jack – TRRS

Jack – TRS shade codes

SCART

VGA

DIN

DVI

DVI mini

DVI types

HDMI kind A

Computer

USB - sort A and B

USB - mini and micro

Serial - DE9

Serial - DB25

PS2

AT keyboard

SATA – data

SATA – power

Molex – atx power

Molex – power

USB-C

Gaming

Game/MIDI port

Boards

Raspberry Pi – GPIO

Arduino UNO

Components

Led – 2 pin

Led – RGB

Regulator – 78xx/79xx

Regulator – LM317

Display – LED 7 segment

Display - LCD sixteen x 2 (1602)

Display - LCD sixteen x 4 (1604)

Display driver – LM391x

Transistor – TO-92

Microcontroller

Atmega 8 - DIP

Atmega 8 - MLF

Atmega 8 - TQFP

Atmega 328 - DIP

Atmega 328 - TQFP

Atmega 328 - MLF

Atmega 2560

Atmega 8u2 - QFN

Atmega 8u2 - TQFP

Atmega 16u2 - QFN

Atmega 16u2 - TQFP

Atmega 32u2 - QFN

Atmega 32u2 - TQFP

Miscellaneous

OBD II

Memory card – SD

Memory card – mini SD

Memory card – micro SD