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Only available in English.

Comprehensive collection of electronics calculators, tools and reference tables.

Ultimate Calculator Pro is a utility application consisting of over 120 calculators, conversions, reference tables, pin outs and basic pocket calculator.


DC Circuits:
• Ohm`s Law
• Voltage divider - resistive
• LED resistor
• RL transient circuits
• RC transient circuits
• Wheatstone bridge

AC Circuits:
• Reactance
• Impedance
• Star Delta Transformation
• AC Power

Power Supply:
• Transformer ratios
• Rectifiers
• Capacitor filter
• Transformer efficiency
• Voltage regulator - LM317
• Voltage regulator - zener diode

• Slew Rate
• Gain | Ratio
• Non Inverting Amplifier
• Inverting Amplifier
• Differential Amplifier
• Inverting Summing Amplifier

• RC filter – passive
• LC filter – passive
• RL filter – passive

• Series Circuits
• Parallel Circuits
• Capacitors
• Inductors
• Diodes
• 555 Timer
• Air Core Inductors

• Resistor – color codes
• Inductor – color codes
• Capacitor – printed
• Fuse, glass – color codes
• Diodes
• 7-Segment display

• Coulomb`s Law
• Magnetism
• Joules Law – heating

• Area (rectangle, triangle, circle, trapezoid, ellipse, square, parallelogram, sector)
• Surface area (cylinder, sphere, cube, cone)
• Volume (rectangle, cylinder, sphere)

• 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)

• Power density (W/m²)
• Maximum range (distance)

• Attenuators (Pi, Tee)
• VSWR (voltage standing wave ratio)
• Reflection coefficient (Rho)
• Return loss (dB)
• Mismatch loss (dB)

• Area
• Angle
• Temperature
• Power
• Power(RF) (dBm, Watt, dBW)
• Voltage(RF) (V, dBV, dBµV)
• Current (dBµA, dBA, A, µA)
• Terminated (dBm, dBµV, dBµA, V)
• Field strength (dBµV/m, V/m, dBmW/m², dBµA/m, W/m², dBpT)
• Distance (cm, m, in., yd, km, mi.)
• Number base

• SI unit prefixes
• Logic gates
• 74xx ic
• 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
o RCA connector
o Jack - TS
o Jack - TRS
o Jack - TRRS
o DVI mini
o DVI types

• Computer
o USB - type A and B
o USB - mini and micro
o Serial - DE9
o Serial - DB25
o PS2
o AT keyboard

• Gaming
o Game/MIDI port

• Display
o 7 segment
o LCD 16 x 2
o LCD 16 x 4

• Microcontroller
o Atmega 8 - DIP
o Atmega 8 - MLF
o Atmega 8 - TQFP
o Atmega 328 - DIP
o Atmega 328 - TQFP
o Atmega 328 - MLF
o Atmega 2560
o Atmega 8u2 - QFN
o Atmega 8u2 - TQFP
o Atmega 16u2 - QFN
o Atmega 16u2 - TQFP
o Atmega 32u2 - QFN
o Atmega 32u2 - TQFP

• Miscellaneous

You are allowed to use this product only within the laws of your country/region. SharewareOnSale and its staff are not responsible for any illegal activity. We did not develop this product; if you have an issue with this product, contact the developer. This product is offered "as is" without express or implied or any other type of warranty. The description of this product on this page is not a recommendation, endorsement, or review; it is a marketing description, written by the developer. The quality and performance of this product is without guarantee. Download or use at your own risk. If you don't feel comfortable with this product, then don't download it.

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