Pebbles

New:

• [UI] Add toggle for loading saved state
• [Scientific] Complex number support
• [Scientific] Add result flow toggle in preferences
• [Graphing] Add graphing mode with interactive plotting
• [Statistics] Add ability to compute statistics for each column
• [Statistics] Add ability to plot more kinds of graphs
• [Statistics] Add trend analysis and visualization of trend on certain graphs

Improved:

• [Core] Convert all core logic to Python 3
• [Scientific] Computation performance improvements
• [UI] General UI improvements
• [UI] Integrate history view inside the respective displays
• [Calculus] Make limits input more legible
• [Converters] Change API to open exchange rates

Translations:

• Russian (by 1280px)