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The Arithmetician, also known as Calculator, is a job from Final Fantasy Tactics. A high-level magick class, the Arithmetician uses Arithmeticks ("Math Skill" in the PlayStation version), which can cast most magick for free and without a Charge Time, assuming they already know the spell and can do the right calculations for it. It costs 4,200 JP to master this job.

There is a rare late game random encounter against five enemy Arithmeticians on the Lenalian Plateau.


A learned warrior who uses Arithmeticks to analyze natural phenomena and pinpoint magickal attacks.

Prerequisite Weapons Helmet Armor Equip Shields?
WotL(War of the Lions): Lv. 5 White Mage, Lv. 5 Black Mage, Lv. 4 Mystic, Lv. 4 Time Mage
PlayStation: Lv. 4 Priest, Lv. 4 Wizard, Lv. 3 Oracle, Lv. 3 Time Mage
Poles, Books Hats Clothes, Robes No
Move Rate Jump Rate Speed Physical Evasion Rate Base Attack Base Magic Base HP Base MP
3 3 3 5 Low Low Low Average



Arithmetician job command. Employs arithmetick algorithms to pinpoint targets for magickal attacks.


The damage/healing formula for Arithmeticks is as follows:

The success rate of inflicting statuses is as follows:

Name Range Effect Speed JP Needed
CT 250
Base arithmetick algorithm on the target's CT.
Level 350
Base arithmetick algorithm on the target's level.
EXP 200
Base arithmetick algorithm on the target's EXP.
Height 250
Base arithmetick algorithm on the height of the target's current tile.
Prime 300
An algorithm for targeting units whose specified attribute is a prime number. A prime number is a number only divisible by 1 and itself. A list of the prime numbers under 100 follows. 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97.
Multiple of 5
An algorithm for targeting units whose specified attribute is a multiple of 5.
Multiple of 4
An algorithm for targeting units whose specified attribute is a multiple of 4.
Multiple of 3
An algorithm for targeting units whose specified attribute is a multiple of 3.

Reaction abilities[]

Name Description Trigger JP Needed
Cup of Life
When HP is restored, distribute any excess among one's allies. HP Restored 200
(Damage Split)
Split any damage taken with the opponent who inflicted it. HP Loss 300

Support abilities[]

Name Description JP Needed
EXP Boost
(Gained Exp UP)
Earn more EXP for the same actions. 350

Movement abilities[]

Name Description JP Needed
Accrue EXP
(Move-Get Exp)
Obtain EXP upon moving. 400
Accrue JP
(Move-Get JP)
Obtain JP upon moving. 400



Arithmeticians are potentially the most powerful magick units in the game, since their Arithmeticks are used without MP cost or charge time. Calculations are done by choosing a condition, like level, then choosing a number, like 5. With those conditions, Arithmeticians will cast a selected spell targeting all units (allies and foes) whose level is a multiple of 5. To make the most of the Arithmetician, the player must learn spells from other mage jobs that are eligible for Arithmeticks.

To offset their powerful abilities, Arithmeticians suffer poor attributes all across the board. They have the lowest Magick attack power among the mage jobs and the lowest Speed rating in the game. Other units may take many turns before the Arithmetician's even comes up. One way to counter this is to send the unit on errands. Another viable tactic to raise JP for them is to have their secondary action ability set to Dance for females and Bardsong for males; this will increase the turns they gain JP on since they'll perform their Bardsong or Dance action more often than their turn will come up.

To make the Arithmetician's skillset more useful, it is a good idea to switch to a class with better base Magick Power (and, naturally, far higher Speed) after obtaining enough JP for the abilities the player wants. The Black Mage class has the highest base magick attack, meaning that using the Arithmeticks skillset with one is a force to be reckoned with.

The Arithmeticians also have plenty of powerful abilities to be used by other jobs. Cup of Life is great for White Mages to maximize their healing output, while Soulbind can be useful against high damage enemies. They can further increase EXP gains with EXP Boost and Accrue EXP (which stack), while also increasing JP gains with Accrue JP (which stacks with Squire's JP Boost).

Other appearances[]

Pictlogica Final Fantasy[]

Arithmetician appears as a job.

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Final Fantasy Artniks[]

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Final Fantasy Trading Card Game[]

Arithmetician appears in Final Fantasy Trading Card Game as Ice-elemental Backup and Forward cards.



Arithmetic or arithmetics (from Greek arithmos) is the oldest and most elementary branch of mathematics used for tasks ranging from simple day-to-day counting to advanced science and business calculations. It involves the study of quantity, especially as the result of operations that combine numbers.