Ultimate Calculator

Only available in English.

Comprehensive collection of electronics calculators, tools 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 – color 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, cube, 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 budget (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 – coverage (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 color codes
	SCART
	VGA
	DIN
	DVI
	DVI mini
	DVI types
	HDMI type A


•	Computer
	USB - type 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 16 x 2 (1602)
	Display - LCD 16 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