Workspace
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Across every accessible board
Today / My Work
Overdue
Today
Upcoming
Waiting
Assigned without a date
Recently completed
All accessible boards
Calendar
Calendars in this view
The left stripe identifies the calendar. User color mode changes the event dot to the primary assignee. Save the view to keep this setup across devices.
Next 30 days
Handy utilities
Tools
Ohm's Law
Enter any two values — the other two update live. The two fields you last typed into are treated as the known values.
Circle & Radius
Enter any one value — the rest update live.
Voltage Divider
Enter any three values — the fourth updates live. R1 sits between Vin and Vout; R2 sits between Vout and ground.
Resistor Color Code
Pick a color for each band of a standard 4-band resistor.
Unit Converter
Percentage
X% of Y
X is what % of Y
% change from X to Y
Date Difference
Defaults to today for the end date — handy as an age calculator too.
Scientific Calculator
Type an expression or use the keys — the result updates live. Supports + − × ÷ ^ ! % parentheses, and functions like sin, cos, tan, sqrt, ln, log. DEG/RAD switches the angle unit for trig functions; MC/MR/M+/M− clear, recall, add to, and subtract from memory; Ans inserts the last result.
Speaker Impedance
Assumes identical speakers wired together. Series impedance adds up; parallel impedance drops — check your amp's minimum rated impedance before wiring.
Speaker Power
RMS is continuous power handling; peak is the momentary maximum. For a standard sine wave, peak voltage = RMS × √2 and peak power = RMS × 2.
Power, voltage & impedance
Enter any two values — the third updates live.
RMS ↔ Peak voltage
Enter either value — the other updates live.
RMS ↔ Peak power
Enter either value — the other updates live.